SMS command

I am new to UNIX. Have to learn it quick because of my bosses demand.
Had some basic training 3 years ago and remember that if you type SMC in command line it will start GUI. I have installed Solaris 10 and after I am typing SMC it gives me following /usr/sadm/lib/bin/smc[11] : /tmp/sh87.13: cannot create

Please help. It would be much easier for me to refresh my memory by using GUI module of UNIX.
Thank you,
Oleg